Weather Records on 11 September 1925

260 weather records were set or tied worldwide on 11 September 1925. Highest significance: Olands Sodra Udde, SE.

Key Facts for 11 September 1925

On 11 September 1925, 260 weather records were set or tied at long-record stations worldwide.
184 were record highs and 18 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 14 monthly and 246 daily.
Olands Sodra Udde set a daily record precipitation of 42.2 mm (1.7 in) on 11 September 1925.
Across 164 earlier years (1809 to 2026) the same calendar date averaged 425 records.

Record Map

260 stations

260 station records on 11 September 1925 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 September 1925: highest significance records shown on the map
Station	Country	Type	Value	Significance
Olands Sodra Udde	Sweden	Record daily precipitation	42.2 mm (1.7 in)	48 of 100 (Notable)
Mt Pleasant 1 SW	United States	Record daily precipitation	75.7 mm (3.0 in)	36 of 100 (Notable)
Hewitt	United States	Record daily precipitation	43.7 mm (1.7 in)	31 of 100 (Routine)
Plain Dealing	United States	Record daily precipitation	47.5 mm (1.9 in)	30 of 100 (Routine)
Tulsa	United States	Record daily precipitation	55.4 mm (2.2 in)	30 of 100 (Routine)
Keosauqua	United States	Record daily precipitation	88.9 mm (3.5 in)	29 of 100 (Routine)
Liberty	United States	Record daily precipitation	66.8 mm (2.6 in)	29 of 100 (Routine)
Conception	United States	Record daily precipitation	51.3 mm (2.0 in)	25 of 100 (Routine)
Bonaparte 5 NE	United States	Record daily precipitation	86.4 mm (3.4 in)	24 of 100 (Routine)
Bee Branch	United States	Record daily precipitation	30.5 mm (1.2 in)	23 of 100 (Routine)
Cooperstown	United States	Record high maximum temperature	31.7 C (89.1 F)	23 of 100 (Routine)
Mt Carroll	United States	Record daily precipitation	57.7 mm (2.3 in)	22 of 100 (Routine)
Grant City	United States	Record daily precipitation	78.7 mm (3.1 in)	22 of 100 (Routine)
Grafton 1 NE	United States	Record high maximum temperature	37.2 C (99.0 F)	22 of 100 (Routine)
Schriever	United States	Record daily precipitation	48.3 mm (1.9 in)	21 of 100 (Routine)
Gorin	United States	Record daily precipitation	66.5 mm (2.6 in)	21 of 100 (Routine)
Unionville	United States	Record daily precipitation	57.2 mm (2.3 in)	21 of 100 (Routine)
Chattanooga Wb City	United States	Record high minimum temperature	24.4 C (75.9 F)	21 of 100 (Routine)
Kamloops	Canada	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Oudenbosch	Netherlands	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Vastervik	Sweden	Record daily precipitation	11.1 mm (0.4 in)	20 of 100 (Routine)
Netley	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Saint Leo	United States	Record high maximum temperature	36.1 C (97.0 F)	20 of 100 (Routine)
Olands Norra Udde	Sweden	Record daily precipitation	9.5 mm (0.37 in)	19 of 100 (Routine)
Millerton	United States	Record daily precipitation	46.2 mm (1.8 in)	19 of 100 (Routine)
Houston	United States	Record high maximum temperature	40.0 C (104.0 F)	19 of 100 (Routine)
Bimbowrie	Australia	Record daily precipitation	6.4 mm (0.25 in)	18 of 100 (Routine)
Berlin-Dahlem	Germany	Record low maximum temperature	10.0 C (50.0 F)	18 of 100 (Routine)
Greensboro	United States	Record high maximum temperature	36.7 C (98.1 F)	18 of 100 (Routine)
Covington 8 WNW	United States	Record daily precipitation	33.5 mm (1.3 in)	18 of 100 (Routine)
Portsmouth-Sciotoville	United States	Record high maximum temperature	37.8 C (100.0 F)	18 of 100 (Routine)
Stillwater 2 W	United States	Record daily precipitation	37.6 mm (1.5 in)	18 of 100 (Routine)
Kansas City	United States	Record daily precipitation	58.2 mm (2.3 in)	18 of 100 (Routine)
Dixon Wwtp	United States	Record daily precipitation	46.7 mm (1.8 in)	17 of 100 (Routine)
Earlington	United States	Record high minimum temperature	24.4 C (75.9 F)	17 of 100 (Routine)
Biskra	Algeria	Record high minimum temperature	30.0 C (86.0 F)	16 of 100 (Routine)
Magdeburg	Germany	Record low maximum temperature	11.3 C (52.3 F)	16 of 100 (Routine)
Chariton 1 E	United States	Record daily precipitation	38.1 mm (1.5 in)	16 of 100 (Routine)
Morgantown 1	United States	Record high minimum temperature	21.1 C (70.0 F)	16 of 100 (Routine)
Port Augusta (Nectar Brook)	Australia	Record daily precipitation	9.7 mm (0.38 in)	15 of 100 (Routine)
Cockburn (Burta)	Australia	Record daily precipitation	14.7 mm (0.6 in)	15 of 100 (Routine)
Mildura Post Office	Australia	Record high minimum temperature	15.0 C (59.0 F)	15 of 100 (Routine)
Gorki	Belarus	Record daily precipitation	16.5 mm (0.6 in)	15 of 100 (Routine)
Cottbus	Germany	Record low maximum temperature	10.4 C (50.7 F)	15 of 100 (Routine)
Hoburg	Sweden	Record daily precipitation	12.2 mm (0.5 in)	15 of 100 (Routine)
Union Springs 9 S	United States	Record high maximum temperature	36.7 C (98.1 F)	15 of 100 (Routine)
Waterbury	United States	Record high minimum temperature	22.2 C (72.0 F)	15 of 100 (Routine)
Clayton 1 SSW	United States	Record high maximum temperature	34.4 C (93.9 F)	15 of 100 (Routine)
Marengo	United States	Record daily precipitation	56.6 mm (2.2 in)	15 of 100 (Routine)
Calhoun 2 N	United States	Record high minimum temperature	23.9 C (75.0 F)	15 of 100 (Routine)
Lake Cochituate	United States	Record high minimum temperature	19.4 C (66.9 F)	15 of 100 (Routine)
Oregon	United States	Record daily precipitation	83.8 mm (3.3 in)	15 of 100 (Routine)
Plainfield	United States	Record high minimum temperature	21.7 C (71.1 F)	15 of 100 (Routine)
Setauket Strong	United States	Record high minimum temperature	21.1 C (70.0 F)	15 of 100 (Routine)
Charlotte Wb City	United States	Record high maximum temperature	35.6 C (96.1 F)	15 of 100 (Routine)
Napoleon	United States	Record high minimum temperature	20.0 C (68.0 F)	15 of 100 (Routine)
Coatesville 1 SW	United States	Record high minimum temperature	21.7 C (71.1 F)	15 of 100 (Routine)
Eutawville	United States	Record high maximum temperature	36.7 C (98.1 F)	15 of 100 (Routine)
Clarksville Wwtp	United States	Record high maximum temperature	38.3 C (100.9 F)	15 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high minimum temperature	23.3 C (73.9 F)	15 of 100 (Routine)

Counts by Type and Timescale

260 records

Records set or tied on 11 September 1925 by type: Highest daily maximum 79, Lowest daily maximum 15, Highest daily minimum 105, Lowest daily minimum 3, Heaviest daily rainfall 58.

Records on 11 September 1925 by type
Record type	Records
Highest daily maximum	79
Lowest daily maximum	15
Highest daily minimum	105
Lowest daily minimum	3
Heaviest daily rainfall	58
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 September 1925 by timescale: all-time 0, monthly 14, daily 246.

How Much Records Were Beaten By

196 broken records

Margins by which the 196 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 43.4. Ties are not counted.

Top 20 by Significance

11 September 1925

Top 20 records on 11 September 1925 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 September 1925	Olands Sodra Udde, SE	daily rain	42.2 mm (1.7 in)	27.7 mm (1.1 in)	15 years	48 of 100 (Notable)
11 September 1925	Mt Pleasant 1 SW, US	daily rain	75.7 mm (3.0 in)	43.4 mm (1.7 in)	24 years	36 of 100 (Notable)
11 September 1925	Hewitt, US	daily rain	43.7 mm (1.7 in)	31.0 mm (1.2 in)	45 years	31 of 100 (Routine)
11 September 1925	Plain Dealing, US	daily rain	47.5 mm (1.9 in)	38.4 mm (1.5 in)	26 years	30 of 100 (Routine)
11 September 1925	Tulsa, US	daily rain	55.4 mm (2.2 in)	25.9 mm (1.0 in)	26 years	30 of 100 (Routine)
11 September 1925	Keosauqua, US	monthly rain	88.9 mm (3.5 in)	12.7 mm (0.5 in)	28 years	29 of 100 (Routine)
11 September 1925	Liberty, US	daily rain	66.8 mm (2.6 in)	43.4 mm (1.7 in)	12 years	29 of 100 (Routine)
11 September 1925	Conception, US	daily rain	51.3 mm (2.0 in)	38.6 mm (1.5 in)	0 years	25 of 100 (Routine)
11 September 1925	Bonaparte 5 NE, US	monthly rain	86.4 mm (3.4 in)	7.4 mm (0.29 in)	24 years	24 of 100 (Routine)
11 September 1925	Bee Branch, US	daily rain	30.5 mm (1.2 in)	16.5 mm (0.6 in)	32 years	23 of 100 (Routine)
11 September 1925	Cooperstown, US	monthly high max	31.7 C (89.1 F)	1.1 C (2.0 F)	27 years	23 of 100 (Routine)
11 September 1925	Mt Carroll, US	daily rain	57.7 mm (2.3 in)	22.9 mm (0.9 in)	7 years	22 of 100 (Routine)
11 September 1925	Grant City, US	daily rain	78.7 mm (3.1 in)	20.3 mm (0.8 in)	24 years	22 of 100 (Routine)
11 September 1925	Grafton 1 NE, US	monthly high max	37.2 C (99.0 F)	0.5 C (0.9 F)	27 years	22 of 100 (Routine)
11 September 1925	Schriever, US	daily rain	48.3 mm (1.9 in)	25.4 mm (1.0 in)	12 years	21 of 100 (Routine)
11 September 1925	Gorin, US	daily rain	66.5 mm (2.6 in)	28.4 mm (1.1 in)	4 years	21 of 100 (Routine)
11 September 1925	Unionville, US	daily rain	57.2 mm (2.3 in)	16.6 mm (0.7 in)	24 years	21 of 100 (Routine)
11 September 1925	Chattanooga Wb City, US	daily high min	24.4 C (75.9 F)	1.6 C (2.9 F)	43 years	21 of 100 (Routine)
11 September 1925	Kamloops, CA	daily rain	14.2 mm (0.6 in)	11.4 mm (0.4 in)	11 years	20 of 100 (Routine)
11 September 1925	Oudenbosch, NL	daily rain	22.6 mm (0.9 in)	9.9 mm (0.39 in)	11 years	20 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1809 to 1925

Records set or tied on this calendar date in each year from 1809 to 1925. 1925 had 260 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-11 in each year
Year	Records
1809	1
1814	3
1818	1
1830	1
1836	1
1838	3
1839	1
1848	1
1850	1
1851	1
1854	2
1858	1
1860	2
1861	1
1863	2
1865	3
1866	1
1874	2
1876	1
1877	1
1879	1
1880	1
1882	4
1883	2
1884	1
1886	1
1888	2
1889	4
1890	2
1891	2
1892	1
1893	4
1894	2
1895	4
1896	1
1897	3
1898	3
1899	5
1900	1
1901	3
1902	15
1903	13
1904	4
1905	5
1906	10
1907	9
1908	20
1909	12
1910	19
1911	9
1912	25
1913	22
1914	52
1915	160
1916	17
1917	88
1918	62
1919	52
1920	158
1921	52
1922	78
1923	44
1924	290
1925	260
1926	137
1927	300
1928	127
1929	206
1930	136
1931	868
1932	210
1933	276
1934	144
1935	410
1936	567
1937	324
1938	288
1939	561
1940	891
1941	210
1942	234
1943	335
1944	446
1945	341
1946	262
1947	611
1948	424
1949	450
1950	462
1951	247
1952	549
1953	392
1954	363
1955	479
1956	539
1957	470
1958	748
1959	488
1960	423
1961	524
1962	480
1963	359
1964	1,195
1965	414
1966	392
1967	478
1968	835
1969	685
1970	474
1971	464
1972	507
1973	612
1974	430
1975	644
1976	920
1977	406
1978	911
1979	596
1980	474
1981	347
1982	862
1983	1,243
1984	888
1985	844
1986	1,221
1987	595
1988	1,019
1989	1,301
1990	840
1991	843
1992	672
1993	809
1994	713
1995	619
1996	1,030
1997	808
1998	1,821
1999	1,073
2000	1,469
2001	826
2002	1,059
2003	1,022
2004	740
2005	1,163
2006	1,132
2007	947
2008	916
2009	774
2010	965
2011	1,051
2012	687
2013	1,207
2014	1,100
2015	683
2016	677
2017	916
2018	763
2019	806
2020	1,235
2021	851
2022	617
2023	1,034
2024	889
2025	917
2026	615

Download the Data

Data for records on 1925-09-11: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	171
10 to 20	11
20 to 30	9
30 to 40	3
40 to 50	2